BNSV Multi-functional water pump control valve
Overview
Diaphragm type multi-functional pump control valve is installed in the water supply system of high-rise buildings and other water supply systems at the pump outlet to prevent the phenomenon of backflow of medium, water hammer and water hammer. It can effectively improve the safety and reliability of water supply system and prevent the occurrence of water hammer when starting or stopping the pump.
● Hydraulic automatic control, without other devices and energy;
● It has three functions: electric valve, check valve and water hammer eliminator;
● It has the function of slow opening and slow closing, and the slow opening and slow closing time can be adjusted online;
● When the valve is closed, fast closing and then slow closing can better prevent the occurrence of water hammer when the pump stops.
No. | Parts | Material |
1 | Body | Ductile iron、WCB |
2 | Bonnet | Ductile iron、WCB |
3 | Spring | 20Cr13、Stainless steel |
4 | Diaphragm pressing plate | Carbon steel plastic spraying |
5 | Diaphragm | NBR |
6 | Stem | 20Cr13 |
7 | Disc | Carbon steel+NBR |
8 | Seat | Stainless steel |
